AUGUST 4, 2026
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Case File

CVE-2021-31663

HIGH · CVSS 7.5 EPSS 1.62% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-18 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-31663
Severity
HIGH
CVSS
7.5
EPSS
1.62%
F5

Original NVD Description

RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information.